Pyjamas by Oasis, You're invited to this PJ party, V-neck, Adjustable straps, Polka-dot design, It's spot on, Regular cut, Fits you just right. Opening its first store in 1991, Oasis has gone on to become one of Britain's most popular high-street brands. Expect vibrant prints and plenty of colour across a collection of dresses, tops and tailoring, plus bags and shoes for all your accessory needs - the add-to-bag potential is real.